385 Dark-Drinker with Weapons of Light and Tether.
It sounds simple, and it honestly is. Have 2 Titans run Weapons. one for the Canon-Users in Mid, and 1 to use Dark-Drinker against Aksis' Legs on Round 3.
I've been saying for over a week that Dark Drinker and Raze Lighter are the only exotics you need for the Raid. Now I can honestly say, JUST use Dark Drinker. It does more effective DPS, it does MORE DAMAGE than G-Horn and Sleeper Sim.
Datto has done the math, and can 110% verify the results.
At 384 Light, and being the highest-level member of my Raid-Team at the time, Dark Drinker did INSANE damage. I was the only person using it and we had him down to about 48% Health by DPS Round 2. That's 52% Health GONE in 2 rounds!
Get a Dark Drinker... And Deej? Bungie Devs? ... Leave. It. Alone.
Get your fingers OFF that Nerf Button, RIGHT NOW.
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The only thing that's really needed is good communication